<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title></title>
</head>
<body>
getClass()返回此Object的类：<%=page.getClass()%><br>
hashCode()返回此Object的hash码：<%=page.hashCode()%><br>
当前page页面对象的字符串描述：<%=page.toString() %>
</body>
</html>